CN1282720C - 改性颜料、制备改性颜料方法和包含其的油墨组合物 - Google Patents

改性颜料、制备改性颜料方法和包含其的油墨组合物 Download PDF

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Publication number
CN1282720C
CN1282720C CNB038161354A CN03816135A CN1282720C CN 1282720 C CN1282720 C CN 1282720C CN B038161354 A CNB038161354 A CN B038161354A CN 03816135 A CN03816135 A CN 03816135A CN 1282720 C CN1282720 C CN 1282720C
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CN
China
Prior art keywords
group
pigment
acid
salt
ionogen
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Expired - Fee Related
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CNB038161354A
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English (en)
Chinese (zh)
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CN1665896A (zh
Inventor
保罗·S·帕隆博
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Cabot Corp
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Cabot Corp
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Publication of CN1665896A publication Critical patent/CN1665896A/zh
Application granted granted Critical
Publication of CN1282720C publication Critical patent/CN1282720C/zh
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44Carbon
    • C09C1/48Carbon black
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/30Inkjet printing inks
    • C09D11/32Inkjet printing inks characterised by colouring agents
    • C09D11/324Inkjet printing inks characterised by colouring agents containing carbon black
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44Carbon
    • C09C1/48Carbon black
    • C09C1/56Treatment of carbon black ; Purification
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44Carbon
    • C09C1/48Carbon black
    • C09C1/56Treatment of carbon black ; Purification
    • C09C1/565Treatment of carbon black ; Purification comprising an oxidative treatment with oxygen, ozone or oxygenated compounds, e.g. when such treatment occurs in a region of the furnace next to the carbon black generating reaction zone
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/30Inkjet printing inks
    • C09D11/32Inkjet printing inks characterised by colouring agents
    • C09D11/322Pigment inks
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/80Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/88Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Ink Jet (AREA)
CNB038161354A 2002-05-10 2003-05-09 改性颜料、制备改性颜料方法和包含其的油墨组合物 Expired - Fee Related CN1282720C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/142,596 2002-05-10
US10/142,596 US6833026B2 (en) 2002-05-10 2002-05-10 Modified pigments and process for preparing modified pigments

Publications (2)

Publication Number Publication Date
CN1665896A CN1665896A (zh) 2005-09-07
CN1282720C true CN1282720C (zh) 2006-11-01

Family

ID=29418432

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB038161354A Expired - Fee Related CN1282720C (zh) 2002-05-10 2003-05-09 改性颜料、制备改性颜料方法和包含其的油墨组合物

Country Status (12)

Country Link
US (2) US6833026B2 (fr)
EP (1) EP1511815B1 (fr)
JP (1) JP4620451B2 (fr)
KR (1) KR20040106522A (fr)
CN (1) CN1282720C (fr)
AT (1) ATE427342T1 (fr)
AU (1) AU2003237812A1 (fr)
DE (1) DE60326952D1 (fr)
HK (1) HK1077598A1 (fr)
IL (1) IL165089A0 (fr)
TW (1) TW200400233A (fr)
WO (1) WO2003095568A1 (fr)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1252237T3 (da) * 2000-01-07 2006-12-11 Cabot Corp Polymerer og andre grupper vedhæftet til pigmenter og efterfölgende reaktioner
US7049039B2 (en) * 2001-05-24 2006-05-23 Canon Kabushiki Kaisha Coloring agent for toner, and toner
EP1463778B1 (fr) * 2002-01-07 2009-08-19 Cabot Corporation Produits a base de pigments modifies et matrices de noirs comprenant ces produits
US7173078B2 (en) 2002-04-12 2007-02-06 Cabot Corporation Process for preparing modified pigments
ATE513017T1 (de) 2003-01-17 2011-07-15 Cabot Corp Verfahren zur herstellung wässriger farbpigmentdispersionen und tintenzusammensetzungen für tintenstrahl
US6936097B2 (en) * 2003-04-16 2005-08-30 Cabot Corporation Modified organic colorants and dispersions, and methods for their preparation
US6942724B2 (en) * 2003-04-16 2005-09-13 Cabot Corporation Modified organic colorants and dispersions, and methods for their preparation
US7504446B2 (en) * 2003-10-09 2009-03-17 Xerox Corporation Aqueous inks containing colored polymers
US8946320B2 (en) * 2004-03-22 2015-02-03 Hewlett-Packard Development Company, L.P. Ink system containing polymer binders
US20050256225A1 (en) * 2004-05-11 2005-11-17 Viola Michael S Aqueous inkjet ink compositions comprising comb-branched copolymers
CA2583531A1 (fr) 2004-10-12 2006-04-27 Luminex Corporation Procedes pour former des microspheres colorees et populations de microspheres colorees
US7563842B2 (en) * 2004-10-22 2009-07-21 Hewlett-Packard Development Company, L.P. Ink formulations, modified pigment-based ink formulations and methods of making
US8153706B2 (en) 2004-10-25 2012-04-10 Hewlett-Packard Development Company, L.P. Polymeric colorants having pigment and dye components and corresponding ink compositions
US20060089421A1 (en) 2004-10-25 2006-04-27 Sundar Vasudevan Polymeric colorants having pigment and dye components and corresponding ink compositions
US20060162612A1 (en) * 2005-01-25 2006-07-27 Kabalnov Alexey S Pigments modified with surface counter-ions
US20100129550A1 (en) * 2005-02-03 2010-05-27 Goddard John D Modified pigments
US20060211791A1 (en) * 2005-02-11 2006-09-21 Burns Elizabeth G Inkjet inks comprising modified pigments having attached polymeric groups
JP5280846B2 (ja) * 2005-07-22 2013-09-04 キャボット コーポレイション 顔料組成物の製造法
SG142467A1 (en) * 2005-10-31 2008-06-27 Cabot Corp Modified colorants and inkjet ink compositions comprising modified colorants
US20070129463A1 (en) * 2005-12-05 2007-06-07 Zeying Ma Pigment-based ink formulations including dispersants and binders and methods of making same
US8021471B2 (en) * 2006-08-28 2011-09-20 Cabot Corporation Modified colorants with aliphatic poly-acid groups
EP2099869B1 (fr) * 2006-10-31 2013-05-01 Sensient Colors Inc. Pigments modifies et leurs procedes de fabrication et d'utilisation
WO2008091653A2 (fr) * 2007-01-24 2008-07-31 Cabot Corporation Procédé pour former des pigments modifiés
JP2010519366A (ja) * 2007-02-27 2010-06-03 キャボット コーポレイション 複数の改質された顔料を含むインクジェットインク組成物
WO2008134190A2 (fr) 2007-04-24 2008-11-06 Sun Chemical Corporation Pigments pour des encres et des revêtements non aqueux
US8133311B2 (en) * 2007-04-30 2012-03-13 Cabot Corporation Pigment dipsersions comprising functionalized non-polymeric dispersants
US7868059B2 (en) * 2007-07-27 2011-01-11 Hewlett-Packard Development Company, L.P. Polymerizable dye-monomer conjugates for encapsulating pigment particles
CA3017708C (fr) 2007-08-23 2021-09-21 Vincent Shing Pigments auto-disperses et procedes de preparation et d'utilisation de ceux-ci
BRPI0820911A2 (pt) * 2007-12-07 2015-06-23 Cabot Corp Método de preparar uma composição de pigmento
CN101970586B (zh) * 2008-03-17 2014-08-20 卡伯特公司 具有降低的磷酸根释放的改性颜料以及得自其的分散体和喷墨油墨组合物
US8129448B2 (en) * 2008-12-18 2012-03-06 Cabot Corporation Method of preparing polymer modified pigments
AU2010234392A1 (en) 2009-04-07 2011-10-27 Sensient Colors Inc. Self-dispersing particles and methods for making and using the same
EP2443521A4 (fr) * 2009-06-19 2012-11-28 Cabot Corp Toners chimiques comprenant des pigments modifiés
CN102775657B (zh) * 2011-05-13 2014-02-26 中国石油天然气股份有限公司 一种含炭黑的改性橡胶及其制备方法
CN102558953A (zh) * 2012-02-20 2012-07-11 北京联创佳艺影像新材料技术有限公司 一种提高喷墨打印机墨水储存稳定性的物质和方法
JP2015527440A (ja) 2012-07-13 2015-09-17 キャボット コーポレイションCabot Corporation 高構造カーボンブラック
WO2017087635A1 (fr) 2015-11-18 2017-05-26 Cabot Corporation Compositions d'encre pour jet d'encre
EP3299424A1 (fr) * 2016-09-22 2018-03-28 Cappelle Pigments nv Procédé de production de pigment à base de bismuth a résistance améliorée aux alcalins encapsulant le pigment avec un agent chélatant
JP2020533446A (ja) 2017-09-07 2020-11-19 キャボット コーポレイションCabot Corporation インクジェット用インク組成物
KR20220070445A (ko) * 2019-09-30 2022-05-31 쓰리엠 이노베이티브 프로퍼티즈 컴파니 다이카르복실산 화합물, 다이카르복실산 화합물로 처리된 무기 입자, 및 이의 조성물
CN112456467B (zh) * 2020-11-19 2022-05-31 沈阳化工研究院有限公司 一种应用于纺丝树脂着色的改性炭黑及其制备方法
US20220213339A1 (en) * 2021-01-05 2022-07-07 Inner Mongolia Xianhong Science Co., Ltd. White inkjet ink composition having improved resin compatibility

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3479300A (en) 1965-10-22 1969-11-18 Cabot Corp Carbonaceous products
US4014844A (en) 1970-06-26 1977-03-29 Agence Nationale De Valorisation De La Recherche (Anvar) Process for grafting polymers on carbon black through free radical mechanism
JPS5721466A (en) 1980-07-14 1982-02-04 Canon Inc Recording fluid
US4946509A (en) 1989-05-23 1990-08-07 Sun Chemical Corporation Diarylide pigment compositions
US5281261A (en) 1990-08-31 1994-01-25 Xerox Corporation Ink compositions containing modified pigment particles
JP3004062B2 (ja) 1991-02-06 2000-01-31 株式会社日本触媒 インキ及びインキ用着色剤
EP0677556A3 (fr) 1994-04-15 1997-02-26 Toyo Ink Mfg Co Pigment revêtu et composition colorante.
US5418277A (en) 1994-04-26 1995-05-23 E. I. Du Pont De Nemours And Company Aqueous ink jet inks containing fluorinated polymers
JP3405817B2 (ja) 1994-06-20 2003-05-12 オリヱント化学工業株式会社 水性顔料インキ及びその製造方法
US5545504A (en) 1994-10-03 1996-08-13 Xerox Corporation Ink jettable toner compositions and processes for making and using
IL116376A (en) 1994-12-15 2001-03-19 Cabot Corp Aqueous ink jet ink compositions containing modified carbon products
US5554739A (en) 1994-12-15 1996-09-10 Cabot Corporation Process for preparing carbon materials with diazonium salts and resultant carbon products
IL154538A (en) 1994-12-15 2009-12-24 Cabot Corp The reaction of carbon black with diazonium salts, the resulting carbon black products
IL116378A (en) 1994-12-15 2003-05-29 Cabot Corp Non-aqueous coating or ink composition with improved optical properties containing modified carbon product and method of preparation of the composition
US5571311A (en) 1994-12-15 1996-11-05 Cabot Corporation Ink jet ink formulations containing carbon black products
KR100267191B1 (ko) 1995-06-14 2000-11-01 다나카 쇼소 카본블랙그래프트폴리머,그제조방법및용도
US5698016A (en) 1996-06-14 1997-12-16 Cabot Corporation Compositions of modified carbon products and amphiphilic ions and methods of using the same
JP4697757B2 (ja) 1996-06-14 2011-06-08 キャボット コーポレイション 変性された有色顔料類及びそれらを含むインキジェットインキ類
US6069190A (en) 1996-06-14 2000-05-30 Cabot Corporation Ink compositions having improved latency
US6110994A (en) 1996-06-14 2000-08-29 Cabot Corporation Polymeric products containing modified carbon products and methods of making and using the same
US5707432A (en) 1996-06-14 1998-01-13 Cabot Corporation Modified carbon products and inks and coatings containing modified carbon products
US5837045A (en) 1996-06-17 1998-11-17 Cabot Corporation Colored pigment and aqueous compositions containing same
US5830265A (en) 1996-10-31 1998-11-03 Hewlett-Packard Company Counterion substitution in macromolecular chromophore (MMC) for ink-jet printing including textile, large format and office format printers
US5976233A (en) 1996-11-13 1999-11-02 Canon Kabushiki Kaisha Water-based pigment ink, and ink-jet recording method and instruments using the same
US5895522A (en) 1997-08-12 1999-04-20 Cabot Corporation Modified carbon products with leaving groups and inks and coatings containing modified carbon products
US5964935A (en) 1997-08-22 1999-10-12 Copytele, Inc. Initiator-treated pigment particles and method for preparing same
US5985016A (en) 1997-10-30 1999-11-16 Hewlett-Packard Company Purification of macromolecular chromophores (MMCs) using membrane processes for ink-jet inks
ATE312145T1 (de) 1997-10-31 2005-12-15 Cabot Corp Teilchen mit einem daran befestigtem stabilen freien radikal, polymerisierte modifizierte teilchen und verfahren zu deren herstellung
US6068688A (en) 1997-11-12 2000-05-30 Cabot Corporation Particle having an attached stable free radical and methods of making the same
WO1999038921A1 (fr) 1998-01-29 1999-08-05 Cabot Corporation Procedes relatifs a la purification d'une dispersion et a la fabrication d'encre pour l'impression a jet d'encre
US5914806A (en) 1998-02-11 1999-06-22 International Business Machines Corporation Stable electrophoretic particles for displays
US6110931A (en) 1998-04-02 2000-08-29 Merck & Co., Inc. Antagonists of gonadotropin releasing hormone
US6336965B1 (en) 1998-04-03 2002-01-08 Cabot Corporation Modified pigments having improved dispersing properties
US6103380A (en) 1998-06-03 2000-08-15 Cabot Corporation Particle having an attached halide group and methods of making the same
US6235829B1 (en) 1998-07-24 2001-05-22 Marconi Data Systems Inc. Modification of chargeable pigment particles
US6150433A (en) 1998-07-31 2000-11-21 Hewlett-Packard Company Ink-jet ink compositions containing modified macromolecular chromophores with covalently attached polymers
US6458458B1 (en) 1998-10-13 2002-10-01 Cabot Corporation Polymer coated carbon products and other pigments and methods of making same by aqueous media polymerizations or solvent coating methods
CA2626296C (fr) 1999-01-20 2011-12-13 Cabot Corporation Mousses de polymeres comprenant des charges carbonees chimiquement modifiees
JP4704571B2 (ja) 1999-03-05 2011-06-15 キャボット コーポレイション 有色顔料の調製方法
ATE376574T1 (de) 1999-03-12 2007-11-15 Cabot Corp Kationische pigmente und diese enthaltende wässrige zusammensetzungen
EP1185590B1 (fr) 1999-05-06 2003-07-30 Cabot Corporation Particules polymerisees modifiees et leurs procedes de fabrication
WO2001025340A1 (fr) 1999-10-01 2001-04-12 Cabot Corporation Pigments modifies comportant des groupes steriques et amphiphiles
DK1252237T3 (da) * 2000-01-07 2006-12-11 Cabot Corp Polymerer og andre grupper vedhæftet til pigmenter og efterfölgende reaktioner
EP1185579B1 (fr) * 2000-01-25 2009-09-09 Cabot Corporation Polymeres a pigments modifies et procedes d'elaboration
DE10012784A1 (de) 2000-03-16 2001-09-27 Degussa Ruß
JP2003528192A (ja) 2000-03-23 2003-09-24 ザ ルブリゾル コーポレイション カーボンブラックカプラー
DE60143890D1 (de) 2000-07-06 2011-03-03 Cabot Corp Druckplatten mit modifizierten pigmentprodukten
JP2002121412A (ja) 2000-10-17 2002-04-23 Nippon Shokubai Co Ltd 銅フタロシアニン系改質顔料およびその製造方法
US6641653B2 (en) 2001-07-19 2003-11-04 Cabot Corporation Ink compositions comprising modified colored pigments and methods for preparing the same

Also Published As

Publication number Publication date
AU2003237812A1 (en) 2003-11-11
EP1511815A1 (fr) 2005-03-09
EP1511815B1 (fr) 2009-04-01
WO2003095568A1 (fr) 2003-11-20
US20030217672A1 (en) 2003-11-27
CN1665896A (zh) 2005-09-07
ATE427342T1 (de) 2009-04-15
JP4620451B2 (ja) 2011-01-26
JP2005525450A (ja) 2005-08-25
IL165089A0 (en) 2005-12-18
US6833026B2 (en) 2004-12-21
KR20040106522A (ko) 2004-12-17
US6916367B2 (en) 2005-07-12
HK1077598A1 (en) 2006-02-17
US20040007152A1 (en) 2004-01-15
DE60326952D1 (de) 2009-05-14
TW200400233A (en) 2004-01-01

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